Posted by: phantom March 8, 2007
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I am connecting two linux machines via serial ports (RS232). How do I make sure the two are communicating? This is what I did:
Machine 1:
[root]# cat ttyS0
Machine 2:
[root]# echo "test" > ttyS0
Machine 1 would not display the content though. Are their other ways to test if the connection is working? Any insight will be much appreciated.